LD24-xx0 pages

LD24-xx-xxx
Compact, Wide Input
Constant Current
DC/DC LED Drivers
Electrical Specications
Specications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specications subject to change without notice.

Key Features:

Input
Parameter
• Constant Current Output
Input Voltage Range
• Wide 7V to 30V Input Range Max Input Voltage
Input Filter
• Efciency to 95%
Output
• Miniature MiniDIP Case
Parameter
• 150 mA to 1A Output
Output Voltage Range
Output Current
• Meets EN 60950
Output Current Accuracy
• 1.6 MHrs MTBF
Output Power
• Digital & Analog Dimming! Efciency
Capacitive Load
Operating Frequency
Ripple & Noise (20 MHz)
Models Available
Temperature Coefcient
with Wire Leads
Thermal Impedance
(IP67 Rated)
Output Short Circuit
Environmental
Parameter

Conditions

Typ.
24

Max.
30.0
40.0

Units
VDC
VDC

Min.
Typ.
2
VIN = 30V
See Model Selection Guide
See Model Selection Guide
See Model Selection Guide
See Model Selection Guide

Max.
28

Units
VDC

0.5 Sec. Max
Internal Capacitor
Conditions

47
40
380
See Model Selection Guide
±0.03 ±0.08
Natural Convection
+50
Regulated At Rated Output Current
Conditions
Ambient
Case

Operating Temperature Range

MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com

Min.
7.0

Storage Temperature Range
Cooling
Humidity
Lead Temperature (Solder)
Remote On/Off Control
Parameter
DC/DC On
DC/DC Off
Remote Pin Drive Current
Quiescent Input Current (Shutdown Mode)
PWM Dimming
Parameter
Operation Frequency
Switch On Time
Switch Off Time
Output Current Adjustment
Analog Dimming
Parameter
Input Voltage Range
Output Current Adjustment
Control Voltage Range Limits
Drive Current
EMC Compliance
EMI/RFI
Electrostatic Discharge (ESD)
RF Field Susceptibility
Electrical Fast Transients/Bursts On Mains
EMS Immunity
Reliability Specications
Parameter
MTBF

Min.
-40

Typ.
+25

Min.

VADJ = 1.25V
VIN = 30V
Conditions
Recommended Maximum

Min.

On
Off
VADJ = 1.25V

Min.
0.0
25
0.30
0.0

Radiated/Conducted
Class A
Class A
Class A

Conditions
MIL HDBK 217F, 25ºC, Gnd Benign

Max.
+85
+105
+125

Units

%
ºC

ºC
ºC

Typ.
Max.
Units
Open or 0.3V < VADJ <1.25V
VADJ <0.15V
1
mA
25
µA
Typ.

200
200
0.0
Conditions
At VADJ Input

%/ºC
ºC/W

95
260

-40
Free Air Convection
RH, Non-condensing
1.5 mm From Case For 10 Sec
Conditions

µF
kHz

Max.
1.0

100
Typ.

Max.
1.25
100
1.25
0.15
1.0

Units
kHz
nS
nS
%
Units
VDC
%
VDC
mA

EN 55015 (CISPR22)
IEC/EN 61000-4-2, -6, -8
IEC/EN 61000-4-3
IEC/EN 61000-4-4
EN61547
Min.
1.6

Typ.

www.micropowerdirect.com

Max.

Units
MHours